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or allotropism

[uh-lo-truh-pee] /əˈlɒ trə pi/
noun, Chemistry
a property of certain elements, as carbon, sulfur, and phosphorus, of existing in two or more distinct forms; allomorphism.
Origin of allotropy
1840-50; allo- + -tropy Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for allotropism


the existence of an element in two or more physical forms. The most common elements having this property are carbon, sulphur, and phosphorus
Derived Forms
allotropic (ˌæləˈtrɒpɪk) adjective
allotropically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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allotropism in Medicine

allotropism al·lot·ro·pism (ə-lŏt'rə-pĭz'əm) or al·lot·ro·py (-rə-pē)
The existence of two or more forms of an element that differ from one another in crystalline or molecular structure.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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